package org.example.fanruan;

import com.alibaba.fastjson.JSONObject;

import java.io.IOException;
import java.util.Scanner;

/**
 * @author Yyming
 * @version 10.0
 * Created by Yyming on 2020/9/7
 */
public class T38 {
    public static void main(String[] args) throws IOException {
//        Scanner in = new Scanner(System.in);
//        int n = in.nextInt();
//        int a = in.nextInt();
//        int b = in.nextInt();
//        int m = in.nextInt();
//        int naxY = (n + 1) >> 1;
//        int res = 0;
//        for (int i = 0; i < naxY + 1; i++) {
//            res = (int) ((res + Math.pow(n - i,a) * Math.pow(i,b) % m ) % m);
//        }
//        System.out.println(res);
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("aaa",null);
        System.out.println(jsonObject.toJSONString());
    }
}
